Vocabulary
Volume
Area
Random
Formulas
100
What is area?
# of square units to take up the inside of a shape
100
A rectangular prism has a height of 3in, a length of 5in, and a width of 12in. What's the volume?
V = 180in3
100
Find the area of circle that has a diameter of 12
use the pi key
(round to the nearest tenth)
A = 113.1in2
100
(-2)3 + 8 / -4
8 + -2 = 6
100
What is the formula for the area of a triangle
A= 1/2 x bh
200
what are the two ways the formula can be written to find the area of a rectangle?
A = lw
A = bh
200
If the radius of a cylinder is 3in and the height is 10in what's the total volume of the cylinder? (round to the nearest tenth)
V = 282.7in3
200
If the rectangle has a base of 11in and height of 23in what is the total area?
A = 253in2
200
Matt found the area of a rectangle using length of 4 and width of 23.3 inches.
A = b x h
A = 4 x 23.3
A = 9.32 in2
What was his mistake?
A = 93.2
He put the decimal in the wrong spot
200
What is the formula for a circle
A = 3.14 x r2
300
How is B different then b?
B is the area of base and b is the base of the shape
300
A triangle has a height of 9 cm and a base of 12cm. This triangle is extended by 18 cm to make a triangular prism. What's the total volume?
V = 972 cm3
300
The semi circle has a diameter of 6cm. what is the total area of the semi circle (round to the nearest tenth)
A = 14.1cm2
300
when finding the total area of two shapes you....
A. Add their areas up for a total
B. Subtract their areas up for a total
C. They each have their own area and you don't do anything?
Answer: A, you add their areas up for a total area
300
What is the formula to find a prism's volume?
V = BH
400
What does it mean when your teacher says "leave it in terms of pi?
answers may vary
400
If a cylinder has a diameter of 8m and a height of 10m what's the volume? (round to the nearest tenth)
Use 3.14 for pi
V = 502.4 m3
400
If a circle has a diameter of 10cm and the rectangle has a base of 4cm and a height of 15 cm what is the total area of both shapes?
A = 138.5cm2
400
If the height of a rectangle is 7 in and the area is 116 in2 what is the base?
b = 16 in
400
How do you find circumference?
C = 3.14 x d
500
What does your math teacher want you to say when they ask "what is the handiest 7th grade math tool?"
Proportions
500
Find the volume
V = 336 m2
500
if a triangle has a base of 19 and a height of 27 what is the total area?
A = 256.5
500
Name at least 5 shapes we have learned how to find the area of and give the formula for its area.
Rectangle A=bh
Parallelogram A=bh
triangle A=1/2bh
trapezoid A=1/2h(b1+b2)
circle A=pi times r2
500
What is the formula for the area of a trapezoid?
A= 1/2 x h(b1 + b2)